The surgery of superior oblique paralysis

Objective To discuss the surgery methods of the congenital superior oblique paralysis(SOP). Methods when the hypertropia≤15△,The myectomy of inferior oblique were taken on 62 SOP,when the hypertropia 15△,The myectomy of inferior oblique and contralateral inferior rectus weakening were taken on 9 SOP,which fixing eye is paralysis,The myectomy of inferior oblique and ipsilatera superior rectus weakening were taken on 27 SOP.Which fixing eye is health.Results In the group of myectomy of inferior oblique,46 cases were cured,11 cases were improved,and 5 case received no effective.In the group of myectomy of inferior oblique and ipsilatera superior rectus weakening,20 cases were cured,5 cases were improved, and 2 case received no effective.In the group of myectomy of inferior oblique and contralateral inferior rectus weakening:6 cases were cured,2 cases were improved,and 1 case received no effective.no overcorrection was found. Conclusions The principle for the surgery of congenital superior oblique paralysis is to weaken direct antagonist and yoke muscles,or strengthen controlateral antagonist.Which can get ideal effects if performed according to the excess degree of the superior oblique muscle and the degree of the vertical strabismus.